zhongse is a Chinese manufacturer company of butane, pentane, hexane and heptane.
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Shandong Zhongse Heavy Industry Co., Ltd
Telephone：+86 15653303333/15653365555
TEL：+86533 2163115
Email：sdzs@sdzsit.com
Address：Address：No.6 Xinhuan Road, Zhangdian District, Zibo City, Shandong Province, China
